Lochinvar 1002 Water Heater User Manual


 
72
10 Maintenance
Maintenance and annual startup
Service technician
(see the following pages for instructions)
General:
Address reported problems
Inspect interior; clean and vacuum if
necessary;
Inspect condensate system and flush with
fresh water
Check for leaks (water, gas, flue,
condensate)
Examine venting system
Check system water pressure/system
piping/expansion tank
Check control settings
Check igniter
Check wiring and connections
Check flue gas passageways
Flame inspection (stable, uniform)
Inspect and clean the burner
Clean the heat exchanger if flue
temperature is more than 54°F (30°C)
above return water temperature.
Perform start-up checkout and
performance verification per Section 7 -
Start-up.
If combustion or performance
indicate need:
• Clean heat exchanger
Remove and clean burner using
compressed air only
• Clean the blower wheel
ANNUAL START-UP
Owner maintenance
(see the Power-fin User’s Information Manual for
instructions)
Daily
• Check appliance area
Check pressure/temperature
gauge
Monthly
• Check vent piping
• Check air piping
• Check relief valve
• Check condensate drain system
Periodically
• Test low water cutoff (if used)
• Reset button (low water cutoff)
Every
6 months
• Check appliance piping (gas and
water) for leaks
• Operate relief valve
End
of season
months
•Shut appliance down (unless
boiler used for domestic hot
water)
Table 10A_Service and Maintenance Schedules
Installation & Operation Manual